Home / 225,591.06-311,315.68-134,950.85

Finding the Fourth Proportional to 225,591.06, 311,315.68 and 134,950.85

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Solution

The fourth proportional to 225,591.06, 311,315.68 and 134,950.85 is: 186,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,591.06 : 311,315.68 = 134,950.85 : x
  2. Step 2: Convert to fraction form
    225,591.06/311,315.68 = 134,950.85/x
  3. Step 3: Cross multiply
    225,591.06x = 311,315.68 × 134,950.85
  4. Step 4: Simplify right side
    225,591.06x = 42,012,315,634.33
  5. Step 5: Solve for x
    x = 42,012,315,634.33/225,591.06
  6. Step 6: Final answer
    x = 186,232.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.